WO2011136549A2 - Cathode pour batterie secondaire - Google Patents

Cathode pour batterie secondaire Download PDF

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Publication number
WO2011136549A2
WO2011136549A2 PCT/KR2011/003063 KR2011003063W WO2011136549A2 WO 2011136549 A2 WO2011136549 A2 WO 2011136549A2 KR 2011003063 W KR2011003063 W KR 2011003063W WO 2011136549 A2 WO2011136549 A2 WO 2011136549A2
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WO
WIPO (PCT)
Prior art keywords
positive electrode
secondary battery
lithium
active material
battery
Prior art date
Application number
PCT/KR2011/003063
Other languages
English (en)
Korean (ko)
Other versions
WO2011136549A3 (fr
Inventor
장성균
임진형
이동훈
박홍규
박수민
Original Assignee
주식회사 엘지화학
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 엘지화학 filed Critical 주식회사 엘지화학
Priority to EP11775254.3A priority Critical patent/EP2565966B1/fr
Priority to CN201180020929.5A priority patent/CN102859764B/zh
Priority to PL11775254T priority patent/PL2565966T3/pl
Publication of WO2011136549A2 publication Critical patent/WO2011136549A2/fr
Publication of WO2011136549A3 publication Critical patent/WO2011136549A3/fr
Priority to US13/546,023 priority patent/US8673171B2/en

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
    • H01M4/485—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G53/00—Compounds of nickel
    • C01G53/40—Nickelates
    • C01G53/42—Nickelates containing alkali metals, e.g. LiNiO2
    • C01G53/44—Nickelates containing alkali metals, e.g. LiNiO2 containing manganese
    • C01G53/50—Nickelates containing alkali metals, e.g. LiNiO2 containing manganese of the type [MnO2]n-, e.g. Li(NixMn1-x)O2, Li(MyNixMn1-x-y)O2
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
    • H01M4/50—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese
    • H01M4/505—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
    • H01M4/52—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron
    • H01M4/525—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/80—Particles consisting of a mixture of two or more inorganic phases
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/40—Electric properties
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • the present invention relates to a positive electrode for a secondary battery, having a specific composition, having a long life and storage characteristics and having excellent safety.
  • lithium secondary batteries used in electric vehicles have high energy density and high power output in a short time, and must be able to be used for 10 years or more under severe conditions. Lifespan characteristics are inevitably required.
  • an object of the present invention is to solve the problems of the prior art as described above and the technical problems that have been requested from the past.
  • the inventors of the present application have a secondary battery using a cathode active material containing lithium in a transition metal layer having a special composition as the compound of Formula 1 as a cathode for a secondary battery, as described later.
  • a cathode active material containing lithium in a transition metal layer having a special composition as the compound of Formula 1 as a cathode for a secondary battery as described later.
  • the life characteristics can be greatly improved without using an additional process, and the present invention has been completed.
  • M is a stable element in the six coordination structure, and is at least one element selected from one-cycle and two-cycle transition metals;
  • Ma is a metal or nonmetallic element that is stable to a six coordination structure
  • the anode according to the present invention is stabilized by a change in the oxidation number of the transition metal due to Li present in the transition metal layer, thereby promoting the stabilization of the crystal structure, having a strong bonding force and ion conductivity Li 3 PO 4 It is thought that it contains in the surface and / or inside of active material particle, and the cycling characteristic and storage characteristic of an active material improve.
  • the content of Li 3 PO 4 is too high, it may be difficult to improve the performance of the active material by interfering with the crystallization of the positive electrode active material, as described above, less than 0.1 is preferred based on the total amount (molar basis) More preferably, 0 ⁇ x ⁇ 0.05.
  • the transition metal (M) is substituted in the content range set in the formula (1) by a metal or non-metal element (Ma), for example, Al, Mg, B, etc., which may have a six coordination structure Can be.
  • a metal or non-metal element for example, Al, Mg, B, etc., which may have a six coordination structure Can be.
  • the compound of Formula 1 may be prepared by a method known in the art based on the composition of the formula.
  • Such a positive electrode is prepared by mixing a mixture containing a conductive agent and a binder with a positive electrode active material as described above in a predetermined solvent such as water and NMP, to form a slurry, and then applying the slurry onto a positive electrode current collector. After drying and rolling.
  • the positive electrode mixture may further include at least one material selected from the group consisting of a viscosity modifier and a filler.
  • the positive electrode current collector is generally made to a thickness of 3 to 500 ⁇ m. Such a positive electrode current collector is not particularly limited as long as it has conductivity without causing chemical change in the battery.
  • the positive electrode current collector may be formed on a surface of stainless steel, aluminum, nickel, titanium, calcined carbon, or aluminum or stainless steel. The surface-treated with carbon, nickel, titanium, silver, etc. can be used.
  • the current collector may form fine irregularities on its surface to increase the adhesion of the positive electrode active material, and may be in various forms such as a film, a sheet, a foil, a net, a porous body, a foam, and a nonwoven fabric.
  • the conductive agent is a component for further improving the conductivity of the electrode active material, and may be added in an amount of 0.01 to 30 wt% based on the total weight of the electrode mixture.
  • Such a conductive agent is not particularly limited as long as it has conductivity without causing chemical change in the battery.
  • Examples of the conductive agent include graphite such as natural graphite and artificial graphite; Carbon blacks such as carbon black, acetylene black, Ketjen black, channel black, furnace black, lamp black, and summer black; Conductive fibers such as carbon fibers and metal fibers; Metal powders such as carbon fluoride powder, aluminum powder and nickel powder; Conductive whiskeys such as zinc oxide and potassium titanate; Conductive metal oxides such as titanium oxide; Conductive materials such as polyphenylene derivatives and the like can be used.
  • graphite such as natural graphite and artificial graphite
  • Carbon blacks such as carbon black, acetylene black, Ketjen black, channel black, furnace black, lamp black, and summer black
  • Conductive fibers such as carbon fibers and metal fibers
  • Metal powders such as carbon fluoride powder, aluminum powder and nickel powder
  • Conductive whiskeys such as zinc oxide and potassium titanate
  • Conductive metal oxides such as titanium oxide
  • Conductive materials such as polyphenylene derivatives and the like
  • the binder is a component that assists in bonding the active material and the conductive agent to the current collector, and is generally added in an amount of 1 to 30 wt% based on the total weight of the mixture including the positive electrode active material.
  • binders include polyvinylidene fluoride, polyvinyl alcohol, carboxymethyl cellulose (CMC), starch, hydroxypropyl cellulose, regenerated cellulose, polyvinylpyrrolidone, tetrafluoroethylene, polyethylene , Polypropylene, ethylene-propylene-diene terpolymer (EPDM), sulfonated EPDM, styrene butylene rubber, fluorine rubber, various copolymers and the like.
  • the viscosity modifier is a component that adjusts the viscosity of the electrode mixture so that the mixing process of the electrode mixture and the coating process on the current collector thereof can be easily added, up to 30% by weight based on the total weight of the electrode mixture.
  • examples of such viscosity modifiers include carboxymethyl cellulose, polyvinylidene fluoride, and the like, but are not limited thereto.
  • the solvent described above can serve as a viscosity modifier.
  • the filler is optionally used as a component for inhibiting the expansion of the electrode, and is not particularly limited as long as it is a fibrous material without causing chemical change in the battery.
  • the filler include olefinic polymers such as polyethylene and polypropylene; Fibrous materials, such as glass fiber and carbon fiber, are used.
  • the present invention also provides a lithium secondary battery composed of the positive electrode, the negative electrode, the separator, and a lithium salt-containing nonaqueous electrolyte.
  • the negative electrode is manufactured by applying a negative electrode mixture including a negative electrode active material on a negative electrode current collector and then drying the negative electrode mixture.
  • the negative electrode mixture may further include components such as a conductive agent and a binder as described above, if necessary. .
  • the negative electrode current collector is generally made to a thickness of 3 to 500 ⁇ m.
  • a negative electrode current collector is not particularly limited as long as it has high conductivity without causing chemical change in the battery.
  • copper, stainless steel, aluminum, nickel, titanium, calcined carbon, copper or stainless steel Surface-treated with carbon, nickel, titanium, silver and the like on the surface, aluminum-cadmium alloy and the like can be used.
  • fine concavities and convexities may be formed on the surface to enhance the bonding strength of the negative electrode active material, and may be used in various forms such as a film, a sheet, a foil, a net, a porous body, a foam, and a nonwoven fabric.
  • carbon and graphite materials such as natural graphite, artificial graphite, expanded graphite, carbon fiber, non-graphitizable carbon, carbon black, carbon nanotube, fullerene, and activated carbon; Metals such as Al, Si, Sn, Ag, Bi, Mg, Zn, In, Ge, Pb, Pt, Ti which can be alloyed with lithium, and compounds containing these elements; Composites of metals and compounds thereof with carbon and graphite materials; Lithium-containing nitrides; and the like.
  • a carbon-based active material, tin-based active material, silicon-based active material, or silicon-carbon-based active material is more preferable, and these may be used alone or in combination of two or more.
  • the separator is interposed between the anode and the cathode, and an insulating thin film having high ion permeability and mechanical strength is used.
  • the pore diameter of the separator is generally 0.01 to 10 ⁇ m ⁇ m, thickness is generally 5 ⁇ 300 ⁇ m.
  • a separator for example, olefin polymers such as chemical resistance and hydrophobic polypropylene; Sheets made of glass fibers or polyethylene, nonwoven fabrics, and the like are used.
  • a solid electrolyte such as a polymer
  • the solid electrolyte may also serve as a separator.
  • the lithium salt-containing non-aqueous electrolyte solution consists of an electrolyte solution and a lithium salt.
  • a non-aqueous organic solvent, an organic solid electrolyte, an inorganic solid electrolyte, etc. are used.
  • non-aqueous organic solvent examples include N-methyl-2-pyrrolidinone, propylene carbonate, ethylene carbonate, butylene carbonate, dimethyl carbonate, diethyl carbonate, and gamma Butyl lactone, 1,2-dimethoxy ethane, tetrahydroxy franc, 2-methyl tetrahydrofuran, dimethyl sulfoxide, 1,3-dioxorone, formamide, dimethylformamide, dioxolon , Acetonitrile, nitromethane, methyl formate, methyl acetate, phosphate triester, trimethoxy methane, dioxorone derivatives, sulfolane, methyl sulfolane, 1,3-dimethyl-2-imidazolidinone, propylene carbo Aprotic organic solvents such as nate derivatives, tetrahydrofuran derivatives, ethers, methyl pyroionate and ethyl propionate can be
  • organic solid electrolyte examples include polyethylene derivatives, polyethylene oxide derivatives, polypropylene oxide derivatives, phosphate ester polymers, polyedgetion lysine, polyester sulfides, polyvinyl alcohols, polyvinylidene fluorides, Polymerizers containing ionic dissociating groups and the like can be used.
  • Examples of the inorganic solid electrolyte include Li 3 N, LiI, Li 5 NI 2 , Li 3 N-LiI-LiOH, LiSiO 4 , LiSiO 4 -LiI-LiOH, Li 2 SiS 3 , Li 4 SiO 4 , Nitrides, halides, sulfates, and the like of Li, such as Li 4 SiO 4 —LiI-LiOH, Li 3 PO 4 —Li 2 S-SiS 2 , and the like, may be used.
  • the lithium salt is a good material to be dissolved in the non-aqueous electrolyte, for example, LiCl, LiBr, LiI, LiClO 4 , LiBF 4 , LiB 10 Cl 10 , LiPF 6 , LiCF 3 SO 3 , LiCF 3 CO 2 , LiAsF 6, LiSbF 6, LiAlCl 4, CH 3 SO 3 Li, CF 3 SO 3 Li, (CF 3 SO 2) 2 NLi, chloroborane lithium, lower aliphatic carboxylic acid lithium, lithium tetraphenyl borate and imide have.
  • a halogen-containing solvent such as carbon tetrachloride or ethylene trifluoride may be further included, and carbon dioxide gas may be further included to improve high temperature storage characteristics, and FEC (Fluoro-Ethylene) may be further included.
  • carbonate), PRS (propene sultone), FPC (Fluoro-Propylene carbonate) may be further included.
  • the medium to large device comprises: a power tool driven by an electric motor; Electric vehicles including electric vehicles (EVs), hybrid electric vehicles (HEVs), plug-in hybrid electric vehicles (PHEVs), and the like; Electric motorcycles including electric bicycles (E-bikes) and electric scooters (E-scooters); Electric golf carts, and the like, but are not limited thereto.
  • Electric vehicles including electric vehicles (EVs), hybrid electric vehicles (HEVs), plug-in hybrid electric vehicles (PHEVs), and the like
  • Electric motorcycles including electric bicycles (E-bikes) and electric scooters (E-scooters); Electric golf carts, and the like, but are not limited thereto.
  • the present invention provides a medium-large battery pack having the secondary battery as a unit battery. Since the general structure and manufacturing method of the medium-large battery pack are known in the art, a detailed description thereof is omitted herein.
  • FIG. 1 is a graph showing discharge profiles at 5 th cycles and 25 th cycles for the battery of Example 1 and Comparative Example 1 in Experimental Example 2.
  • FIG. 1 is a graph showing discharge profiles at 5 th cycles and 25 th cycles for the battery of Example 1 and Comparative Example 1 in Experimental Example 2.
  • the synthesized positive electrode active material was mixed with NMP such that the ratio of active material: conductive agent: binder was 95: 2.5: 2.5 (weight ratio), and coated on 20 ⁇ m thick Al foil to prepare a positive electrode.
  • the positive electrode was rolled to have an internal porosity of 25%, and then manufactured as a coin type battery.
  • the batteries of Examples 1-5 did not show a big difference in the initial capacity, even though Li 3 PO 4 including charge and discharge does not directly contribute.
  • the capacity tends to decrease little by little, but it is not a significant level.
  • batteries using the positive electrode active material containing Li 3 PO 4 have a capacity as the number of charge / discharge cycles increases, compared to cells using the positive electrode active material (Comparative Examples 1-2). It can be seen that the degree of degeneration is significantly less. Specifically, at 30 th cycle capacity relative to 1 st cycle capacity, it can be seen that the cells of Examples 1-5 exhibited at least 4% higher capacity than the cells of Comparative Example 1. This difference is expressed as a difference of several tens of percent at 300 cycles or more, and as described above, in the case of automotive batteries, the difference is greater than 1000 cycles, and thus becomes larger under such conditions.
  • the battery of Comparative Example 2 showed more than 15% less cycle characteristics than the batteries of Examples 1-5, which decreased battery capacity and cycle characteristics by separately adding Li 3 PO 4 to the positive electrode active material. This is due to the sharp decrease in electrical conductivity, and shows a very large difference from the batteries of Examples 1 to 5 in which the positive electrode active material was synthesized by mixing and baking Li 3 PO 4 with other precursors.
  • Example 1 The batteries produced in Example 1 and Comparative Example 1 were charged and discharged at a 5 th cycle and a 25 th cycle under a charge and discharge condition of 0.5C, and the discharge profile at such a cycle is shown in FIG. 1.
  • the battery of Example 1 is significantly reduced in the degree of degeneration at the end of the discharge, in particular, the voltage drop, when compared with the battery of Comparative Example 1. This means that the degradation due to the structural change of the anode is lowered. This deterioration of the discharge end is the most important cause of the sudden drop in power in the battery for an electric vehicle or hybrid electric vehicle, more important than the meaning of a simple capacity can be measured in a typical battery.
  • the positive electrode active material of the present invention can significantly reduce the deterioration of the discharge end, and as shown in FIG. 1, it can be seen that this phenomenon becomes larger as the number of cycles increases. That is, the degradation of the discharge end than at the 25 th 5 th differences are larger.
  • the secondary battery positive electrode according to the present invention can greatly improve the life characteristics by a special composition, in particular, it can be preferably used in devices that require long-term use by excellent cycle characteristics.

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  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Secondary Cells (AREA)

Abstract

L'invention concerne une cathode pour une batterie secondaire, comrpenant un composé ou au moins deux composés ayant une couche d'un métal de transition contenant du lithium, lesquels composés sont choisis à partir de la formule chimique 1 suivante: (1-x)Li(LiyM1-y-zMaz)O2-bAb*xLi3PO4. Dans la formule 1, M représente un élément à six coordonnés stable comprenant au moins un élément choisi parmi les métaux de transition dans la période 1 et dans la période 2; Ma représente un élément métallique à six coordonnés stable ou un élément non métallique; A représente une ou plusieurs variables choisies dans le groupe comprenant l'halogène, le soufre, un composé chalcogénide et l'azote; et 0<x<0.1, 0<y<0.3, 0≤z<0.2, et 0≤b<0.1.
PCT/KR2011/003063 2010-04-30 2011-04-27 Cathode pour batterie secondaire WO2011136549A2 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP11775254.3A EP2565966B1 (fr) 2010-04-30 2011-04-27 Cathode pour batterie secondaire
CN201180020929.5A CN102859764B (zh) 2010-04-30 2011-04-27 二次电池用正极
PL11775254T PL2565966T3 (pl) 2010-04-30 2011-04-27 Katoda dla akumulatora
US13/546,023 US8673171B2 (en) 2010-04-30 2012-07-11 Cathode for secondary battery

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2010-0041030 2010-04-30
KR1020100041030A KR101077869B1 (ko) 2010-04-30 2010-04-30 이차전지용 양극

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US13/546,023 Continuation US8673171B2 (en) 2010-04-30 2012-07-11 Cathode for secondary battery

Publications (2)

Publication Number Publication Date
WO2011136549A2 true WO2011136549A2 (fr) 2011-11-03
WO2011136549A3 WO2011136549A3 (fr) 2012-03-08

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PCT/KR2011/003063 WO2011136549A2 (fr) 2010-04-30 2011-04-27 Cathode pour batterie secondaire

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US (1) US8673171B2 (fr)
EP (1) EP2565966B1 (fr)
KR (1) KR101077869B1 (fr)
CN (1) CN102859764B (fr)
PL (1) PL2565966T3 (fr)
WO (1) WO2011136549A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015003947A1 (fr) 2013-07-08 2015-01-15 Basf Se Matériaux d'électrode pour batteries lithium-ion

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KR101098193B1 (ko) * 2010-04-30 2011-12-23 주식회사 엘지화학 이차전지용 양극 활물질
KR102484028B1 (ko) * 2014-11-28 2023-01-02 바스프 에스이 리튬화된 전이 금속 산화물의 제조 방법
JP6583069B2 (ja) * 2016-03-14 2019-10-02 トヨタ自動車株式会社 リチウムイオン二次電池の製造方法

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JP4171848B2 (ja) * 1998-06-02 2008-10-29 宇部興産株式会社 リチウムイオン非水電解質二次電池
RU2321924C1 (ru) * 2004-08-17 2008-04-10 Эл Джи Кем, Лтд. Литиевые вторичные батареи с улучшенными безопасностью и рабочими характеристиками
EP1958277B1 (fr) * 2005-12-06 2014-04-23 Lg Chem, Ltd. Electrode a securite renforcee et dispositif electrochimique equipe d'une telle electrode
CN102290573B (zh) * 2007-03-30 2015-07-08 索尼株式会社 正极活性物质、正极、非水电解质电池
KR100959589B1 (ko) 2008-04-03 2010-05-27 주식회사 엘지화학 리튬 복합 전이금속 산화물 제조용 신규 전구체
JP5505608B2 (ja) * 2008-09-10 2014-05-28 戸田工業株式会社 非水電解質二次電池用Ｌｉ−Ｎｉ複合酸化物粒子粉末及びその製造方法、並びに非水電解質二次電池
JP5199844B2 (ja) * 2008-11-21 2013-05-15 株式会社日立製作所 リチウム二次電池
JP5509918B2 (ja) * 2009-03-27 2014-06-04 住友大阪セメント株式会社 リチウムイオン電池用正極活物質の製造方法とリチウムイオン電池用正極活物質及びリチウムイオン電池用電極並びにリチウムイオン電池

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015003947A1 (fr) 2013-07-08 2015-01-15 Basf Se Matériaux d'électrode pour batteries lithium-ion
US10026954B2 (en) 2013-07-08 2018-07-17 Basf Se Electrode materials for lithium ion batteries

Also Published As

Publication number Publication date
US20130119325A1 (en) 2013-05-16
CN102859764B (zh) 2014-12-03
EP2565966A2 (fr) 2013-03-06
KR101077869B1 (ko) 2011-10-28
EP2565966B1 (fr) 2021-01-06
WO2011136549A3 (fr) 2012-03-08
EP2565966A4 (fr) 2016-01-27
PL2565966T3 (pl) 2021-05-31
US8673171B2 (en) 2014-03-18
CN102859764A (zh) 2013-01-02

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